Circuit Description; Overall Block Diagram (Simplified); Outline Of Signal Input And Output; Board Functions - Sony ZRD-1 Service Manual

6-1. Overall Block Diagram (Simplified)

6-2. Outline of Signal Input and Output

A display unit has one-channel input and output.
For an input signal, a video signal and control signal are transmitted from the output connector of the
display controller or the output connector of the display unit in the former stage through the category
(*)
7-equivalent cable .
For an output signal, a video signal and control signal are transmitted to the display unit in the later stage
through the category 7-equivalent cable
(*): Category 7 cable, or category 6a (or more) having the performance/structure equivalent to category 7

6-3. Board Functions

6-3-1. Board Functions
Board name Function name
PS-903 AC Power Supply
TM-62 Temperature Sensor
UC-1 System Control/Video Signal
Processing
UI-24 Status Indicator
UP-13 Power Supply for Cells
ZRD-1/ZRD-2
Section 6

Circuit Description

(*)
.
Function
Power supply for unit drive (12 V DC, 16 V DC)
Surrounding temperature sensor
. Unit input (1 pc)
. Unit output (1 pc)
. Picture correction, Video signal processing
. System control/monitoring of unit
. Power supply protection
Status indicator, Error indicator
Power supply for LED drive on cells
6-1 (E)